superio/fintek/f81865f: Avoid .c includes

We should not be #include .c files, instead link early_serial into
romstage and provide a prototype.

Change-Id: Ia9277169ce1592e1fc72f8849f0982741daec567
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5416
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)

src/mainboard/amd/persimmon/romstage.c

@@ -31,7 +31,7 @@
 #include <cpu/x86/mtrr.h>
 #include "agesawrapper.h"
 #include "cpu/x86/bist.h"
-#include "superio/fintek/f81865f/f81865f_early_serial.c"
+#include <superio/fintek/f81865f/f81865f.h>
 #include "cpu/x86/lapic.h"
 #include "drivers/pc80/i8254.c"
 #include "drivers/pc80/i8259.c"

src/mainboard/amd/south_station/romstage.c

@@ -32,7 +32,7 @@
 #include <cpu/x86/mtrr.h>
 #include "agesawrapper.h"
 #include "cpu/x86/bist.h"
-#include "superio/fintek/f81865f/f81865f_early_serial.c"
+#include <superio/fintek/f81865f/f81865f.h>
 #include "cpu/x86/lapic.h"
 #include <sb_cimx.h>
 #include "SBPLATFORM.h"

src/mainboard/via/epia-m850/Makefile.inc

@@ -1,21 +0,0 @@
-##
-## This file is part of the coreboot project.
-##
-## Copyright (C) 2011  Alexandru Gagniuc <mr.nuke.me@gmail.com>
-##
-## This program is free software: you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation, either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program.  If not, see <http://www.gnu.org/licenses/>.
-##
-
-#romstage-y += ./../../../superio/fintek/f81865f/f81865f_early_serial.c
-

src/mainboard/via/epia-m850/romstage.c

@@ -36,8 +36,7 @@
 
 #include "northbridge/via/vx900/early_vx900.h"
 #include "northbridge/via/vx900/raminit.h"
-/* FIXME: This is the only .c include we couldn't get rid of */
-#include "superio/fintek/f81865f/f81865f_early_serial.c"
+#include <superio/fintek/f81865f/f81865f.h>
 
 #define SERIAL_DEV PNP_DEV(0x4e, 0x10)
 

src/superio/fintek/f81865f/Makefile.inc

@@ -18,4 +18,5 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
+romstage-$(CONFIG_SUPERIO_FINTEK_F81865F) += early_serial.c
 ramstage-$(CONFIG_SUPERIO_FINTEK_F81865F) += superio.c

src/superio/fintek/f81865f/chip.h

@@ -30,4 +30,4 @@ struct superio_fintek_f81865f_config {
 	struct pc_keyboard keyboard;
 };
 
-#endif
+#endif /* SUPERIO_FINTEK_F81865_CHIP_H */

src/superio/fintek/f81865f/early_serial.c

@@ -21,6 +21,7 @@
 /* Pre-RAM driver for the Fintek F81865F/FG Super I/O chip. */
 
 #include <arch/io.h>
+#include <device/pnp.h>
 #include "f81865f.h"
 
 static void pnp_enter_conf_state(device_t dev)
@@ -36,7 +37,7 @@ static void pnp_exit_conf_state(device_t dev)
 	outb(0xaa, port);
 }
 
-static void f81865f_enable_serial(device_t dev, u16 iobase)
+void f81865f_enable_serial(device_t dev, u16 iobase)
 {
 	pnp_enter_conf_state(dev);
 	pnp_set_logical_device(dev);

src/superio/fintek/f81865f/f81865f.h

@@ -35,4 +35,6 @@
 #define	F81865F_GPIO	0x06	/* General Purpose I/O (GPIO) */
 #define	F81865F_PME	0x0a	/* Power Management Events (PME) */
 
-#endif
+void f81865f_enable_serial(device_t dev, u16 iobase);
+
+#endif /* SUPERIO_FINTEK_F81865_F81865_H */